139478667075909

Names of 139478667075909

• Cardinal: 139478667075909 can be written as One hundred thirty-nine trillion, four hundred seventy-eight billion, six hundred sixty-seven million, seventy-five thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.39478667075909 × 10¹⁴

Factors of 139478667075909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 31827

Divisors of 139478667075909

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 243 567 729 1701 2187 5103 6561 15309 19683 31817 45927 95451 137781 222719 286353 668157 859059 2004471 2577177 6013413 7731531 18040239 23194593 54120717 69583779 162362151 208751337 487086453 626254011 1012321489 1461259359 3036964467 4383778077 7086250423 9110893401 21258751269 27332680203 63776253807 81998040609 191328761421 245994121827 573986284263 737982365481 1721958852789 2213947096443 5165876558367 6641841289329 15497629675101 19925523867987 46492889025303 139478667075909
• Sum of all divisors σ(n): 239109752286944
• Sum of proper divisors (its aliquot sum) s(n): 99631085211035
• 139478667075909 is a deficient number, because the sum of its proper divisors (99631085211035) is less than itself. Its deficiency is 39847581864874

Bases of 139478667075909

• Binary: 11111101101101011101000011001111010000101000101₂
• Hexadecimal: 0x7EDAE867A145
• Base-36: 1DFVM557B9

Squares and roots of 139478667075909

• 139478667075909 squared (139478667075909²) is 19454298569272261272368176281
• 139478667075909 cubed (139478667075909³) is 2713459633338858512440525241819093320314429
• The square root of 139478667075909 is 11810108.6817992069
• The cube root of 139478667075909 is 51860.4080366189

Scales and comparisons

• 139,478,667,075,909 seconds is equal to 4,434,990 years, 9 weeks, 1 day, 11 hours, 45 minutes, 9 seconds.
• To count from 1 to 139,478,667,075,909 would take you about eleven million, eighty-seven thousand, four hundred seventy-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 139478667075909 cubic inches would be around 4321.7 feet tall.

Recreational maths with 139478667075909

• 139478667075909 backwards is 909570766874931
• 139478667075909 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 139478667075909's digits is 81
• More coming soon!